Noi Supplement for a Type 2.01 General Permit - Drywells That Drain Areas Where Hazardous Substances Are Used, Stored, Loaded or Treated - Arizona

Noi Supplement for a Type 2.01 General Permit - Drywells That Drain Areas Where Hazardous Substances Are Used, Stored, Loaded or Treated is a legal document that was released by the Arizona Department of Environmental Quality - a government authority operating within Arizona.

FAQ

Q: What is the purpose of the Noi Supplement for a Type 2.01 General Permit?
A: The purpose is to regulate drywells that drain areas where hazardous substances are used, stored, loaded or treated in Arizona.

Q: What is a drywell?
A: A drywell is a structure or device that is designed to receive and dispose of stormwater runoff by infiltration into the subsurface soil.

Q: What is a Type 2.01 General Permit?
A: A Type 2.01 General Permit is a permit that authorizes the discharge of stormwater from a specific category of industrial activities to waters of the state.

Q: Who needs to submit the Noi Supplement for a Type 2.01 General Permit?
A: Any facility in Arizona that uses, stores, loads, or treats hazardous substances and has drywells that drain those areas needs to submit the Noi Supplement.

Q: What are hazardous substances?
A: Hazardous substances are any materials that, because of their quantity, concentration, or physical or chemical characteristics, pose a potential threat to human health or the environment.

Q: What information is required in the Noi Supplement?
A: The Noi Supplement requires information about the location of drywells, the hazardous substances used, stored, loaded or treated, and the measures in place to prevent contamination of stormwater.